Untriaged
Permalink
CVE-2026-33858
8.8 HIGH
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): LOW
- Privileges required (PR): LOW
- User interaction (UI): NONE
- Scope (S): UNCHANGED
- Confidentiality impact (C): HIGH
- Integrity impact (I): HIGH
- Availability impact (A): HIGH
Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API
Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0, which resolves this issue.
References
Affected products
apache-airflow
- <3.2.0
Package maintainers
-
@bhipple Benjamin Hipple <bhipple@protonmail.com>
-
@gbpdt Graham Bennett <nix@pdtpartners.com>
-
@ingenieroariel Ariel Nunez <ariel@nunez.co>